S
Stephen@nic
hi its a vaillant combi its b
about 7 years old the fan comes of and on for no reason it stays on for about 10 to 20 sec then gose of for about 20 sec then the same again. but the fan works fine when it is needed to work dose any one know wot this might be
about 7 years old the fan comes of and on for no reason it stays on for about 10 to 20 sec then gose of for about 20 sec then the same again. but the fan works fine when it is needed to work dose any one know wot this might be